core(i18n): throw on excess placeholder replacement values #9580
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brendankenny
commented
Aug 20, 2019
| expect(icuMessagePaths).toEqual({ | ||
| [templateID]: [{path: 'audits[fake-audit].title', values: {x: 1}}]}); | ||
| [expectedPathId]: [{path: 'audits[fake-audit].title', values: {x: 1}}]}); |
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dangers of singletons :) this test was implicitly relying on the test above having called createMessageInstanceIdFn
patrickhulce
approved these changes
Aug 20, 2019
| sirNotAppearingInThisString: 66, | ||
| }); | ||
| expect(_ => i18n.getFormatted(helloStr, 'en-US')) | ||
| // eslint-disable-next-line max-len |
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apparently we've decided there's disagreement on this point so we should never use disable-next-line max-len again :P
@exterkamp I'm gonna love this convo next week where I can learn how splitting is possibly better 😆
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some unit tests are still unhappy about spanish locale swap though |
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ok, with #9598 in, the tests for this should now all pass 🤞 |
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we have a check that all arguments in an ICU message have values passed into our i18n functions; this PR adds a check that all the values passed in have a place to be used in the ICU message. This is useful when strings change since we have no type checking that our localized strings match the values being passed in for replacement.
I was originally going to include this in #9570, but ran into a ton of errors in our unit tests. Turns out this is just because
LHErroralways includeserrorCodein the replacement values so you don't have to write'NO_FCP'three times just to get aNO_FCPerror. I added a comment to remind the next person abouterrorCode.This condition currently only happens in one place (the change in #9486 removing
itemCount), but removingitemCountreveals a flaw in our system: if the ICU arguments in a string aren't provided invalues, we throw an error (and if we don't throw one,intl-messageformatdoes). This is an issue when the other locale files have strings with different ICU arguments than the en-US one does (as is currently case forthird-party-summary.js | displayValue).This is a pretty fundamental issue so going to fix that before landing this :)